Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details)

v2.4.0.6
Fair Value of Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Feb. 28, 2010
Assets:        
Cash and cash investments, Carrying Amount $ 331.5 $ 85.8 $ 9.2 $ 43.5
Cash and cash investments, Fair Value 331.5 85.8    
Accounts receivable, net, Carrying Amount 471.9 436.0    
Accounts receivable, net, Fair Value 471.9 436.0    
AFS debt securities, Carrying Amount 34.2 28.5    
AFS securities, Fair Value 34.2 28.5    
Foreign currency contracts, Carrying Amount 9.7 13.2    
Foreign currency contracts, Fair Value 9.7 13.2    
Interest rate swap contracts, Carrying Amount 6.6 0    
Interest rate swap contracts, Fair Value 6.6 0    
Diesel fuel swap contracts, Carrying Amount 0.6 0    
Diesel fuel swap contracts, Fair Value 0.6 0    
Notes receivable, Carrying Amount 0 1.6    
Notes receivable, Fair Value 0 1.6    
Liabilities:        
Notes payable to banks 0 377.9    
Notes payable to banks, Fair Value 0 377.6    
Accounts payable, Carrying Amount 209.0 130.5    
Accounts payable, Fair Value 209.0 130.5    
Long-term debt, including current portion, Carrying Amount 3,305.4 2,751.6    
Long-term debt, including current portion, Fair Value 3,603.6 3,007.9    
Foreign currency contracts, Carrying Amount 5.3 6.4    
Foreign currency contracts, Fair Value 5.3 6.4    
Interest rate swap contracts, Carrying Amount 47.1 45.7    
Interest rate swap contracts, Fair Value 47.1 45.7    
Diesel fuel swap contracts, Carrying Value 0.1 0    
Diesel fuel swap contracts, Fair Value $ 0.1 $ 0